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West Nile Virus
Mosquito
2013
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West Nile Virus:  USA - Mosquito
Washington Washington Washington Montana Maine Maine North Dakota South Dakota Wyoming Wisconsin Wisconsin Idaho Vermont Minnesota Oregon New Hampshire Iowa Massachusetts Massachusetts Massachusetts Nebraska New York New York New York New York Pennsylvania Connecticut Rhode Island Rhode Island Rhode Island New Jersey Indiana Nevada Utah California California California California California Ohio Illinois District of Columbia Delaware West Virginia Maryland Maryland Maryland Maryland Colorado Kentucky Kentucky Kansas Virginia Virginia Virginia Missouri Arizona Oklahoma North Carolina North Carolina North Carolina North Carolina North Carolina North Carolina Tennessee Texas Texas Texas Texas Texas Texas New Mexico Alabama Mississippi Georgia Georgia South Carolina South Carolina Arkansas Louisiana Louisiana Louisiana Louisiana Florida Florida Florida Florida Florida Florida Florida Michigan Michigan Michigan Michigan Michigan
Map Scalebar 1000000 m
Cumulative 2013 Data as of 3 am, Jan 07, 2014*
These data are provisional and may be revised or adjusted in the future.
Arizona210
California2524
Colorado441
Connecticut90
District of Columbia39
Georgia150
Idaho180
Illinois2709
Indiana483
Iowa66
Kansas17
Louisiana194
Maine2
Maryland10
Massachusetts335
Michigan23
Minnesota77
Mississippi46
Missouri11
Montana19
Nebraska242
Nevada47
New Hampshire14
New Jersey599
New Mexico9
New York589
North Carolina3
North Dakota23
Ohio188
Oklahoma47
Oregon88
Pennsylvania1505
Rhode Island8
South Carolina4
South Dakota419
Tennessee824
Texas479
Utah69
Vermont28
Virginia424
Washington18
West Virginia27
Wisconsin6
Wyoming50
Cumulative Total Entire Country: 13,336
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Map Legend
* States and counties in yellow either did not perform surveillance or did not report any positive test results from their surveillance.